Opinion of Mr Advocate General Lenz delivered on 3 July 1991

1 Original language: German.

2 Journal Officiel 1963, 62, p. 314.

3 Journal Officiel 1958, 30, p. 561.

4 Regulation (EEC) No 1408/71 of the Council of 14 June 1971, OJ, English Special Edition 1971 (II), p. 416.

5 Judgment in Case 21/87 Borowitz v Bundesvcnichtningianitallfir Anļtstrlltc[\9iS] ECR 3715.

6 OJ 1981 L 275, p. 1.

7 Case 733/79 CCAF v Utena [1980] ECR 1915.